---
title: 'Chief of Staff (Stockholm) at Polar'
canonical: 'https://feeny.ai/job/chief-of-staff-stockholm-polar-europe-q8h988a9xsc5'
type: 'job'
last_seen: '2026-09-10'
---

# Chief of Staff (Stockholm) at Polar

- **Company:** Polar
- **Location:** Europe
- **Employment:** full-time
- **Work type:** remote
- **Posted:** 2025-06-17
- **Last confirmed live:** 2026-09-10
- **Apply:** https://jobs.gem.com/polar/am9icG9zdDp6OvHLVgSUOIC87Ij7TiE9

## Job description

## About Polar

It’s never been easier to build, ship, and scale software. Yet, it's never been harder to monetize software. It's a bottleneck for the future.

We're building the open-source monetization platform to empower future one-developer unicorns. Going beyond great billing primitives to offer a more comprehensive platform for the next generation of developers to scale global businesses around their software.

Today, Polar is used and loved by thousands of developers from 100+ countries, and growing quickly.

## About the Role

We’re hiring a Chief of Staff to work closely with Birk Jernström (Founder/CEO) in Stockholm on a daily basis and remote team to scale our organization and business operations from an early-stage startup to scale-up. You're a strong generalist, highly analytical, organized and a strategic thinker, but far from shy to get your hands dirty doing whatever has to be done next that nobody owns.

You'll be part of everything across the organization, i.e spider in the web, and get a lot of accountability and ownership to optimize our business operations, identity new opportunities and lean-in wherever needed to help the business reach it's goals.

## What You’ll Do

- Work closely with Birk Jernström (CEO/Founder) on all of the below and more.
- Design our Business KPIs, goals and process to reach them
- Monthly reporting to investors
- Explore strategic initiatives, business development and partnerships to unlock new opportunities
- Data analysis for strategic initiatives & discussions
- Build vs. Buy analysis for key initiatives in the future
- Lead operations: Budget, accounting, legal, compliance etc.
- Design and optimize our recruitment- and onboarding processes
- Optimize alignment, culture and rituals within the team
- Organize team events, i.e Offsites to Friday demos
- ...A lot more and anything needed to unlock the next stage of our business

## About You

- 5+ years of working experience
- You've worked within a startup in similar roles, e.g Chief of Staff, Business Operations or COO
- You've likely worked at McKinsey, Bain, BCG or similar
- Strong data analysis abilities (+SQL knowledge or ability to learn quickly) to continuously explore our business performance and identity new strategic bets
- You love jumping across the entire organization and switching between strategic initiatives and mundane tasks – whatever is necessary to scale our business operations and get stuff done.
- Highly curious, technical and resourceful to identify better workflows and automations for the team
- No ego and strong desire to learn & lean-in across many functions
- Entrepreneurial and likely to start your own business

## We Offer

- Competitive compensation & equity.
- High autonomy & ownership. Help shape our business, team and culture – no red tape or heavy processes, we celebrate momentum and having an impact daily.
- Twice-yearly team offsites. We gather in our teammates’ cities to experience their local life, brainstorm the future, and write pseudo-code for what delightful billing should look like
- Fast-moving and pragmatic environment. A small, senior team focused on momentum over perfection. Iterating fast to improve everyday.
- Mission with leverage. Build tools that empower other builders; your work compounds through theirs

## About the Team

We’ve written books on FastAPI, built Shop.app & Shop Pay, helped ship the Battlefield React UI, and contributed to (and maintained) a lot of open source. We’re ex-founders and open source maintainers who care deeply about craft, velocity, entrepreneurship, and developer experience.

Hiring Process

- Application Review - We’ll review your application and may reach out for intro call / meeting with Birk (Founder)
- Team Interviews - You’ll meet a few team members
- Investor Interviews – Phone interview with our investors which you'll interface with
- Take home task - You'll get a task to prepare a pitch for a strategic initiative for Polar. Building out key assumptions for it, analysis and model of the expected impact and requirements.
- Pitch - Present the strategic initiative/case and for us to discuss it together
- Reference Calls. We believe reference calls are great and help us confirm our impression and ramp up our understanding and abilities to ensure we hit the ground running productively.
- Offer 🎉

## About Polar

## Company Overview
- **One-liner**: Polar is a Finnish pioneer in wearable sports and fitness technology, designing heart rate monitors, activity trackers, and bike computers that help people improve their fitness, performance, and health.
- **Entity Type**: Private (Privately Held)
- **Headquarters**: Kempele, Finland
- **Founded**: 1977
- **Founders**: Seppo Säynäjäkangas

## Core Business
- Primary industry: Wellness and Fitness Services; wearable technology
- Target customers: B2C (athletes, fitness enthusiasts, health-conscious consumers) and B2B (partnerships with research institutions and organizations)
- Mission: To help people all over the world improve their fitness, performance, and health through accurate measurement and data-driven insights

## Products & Services
- **Polar Heart Rate Monitors**: Chest straps and wrist-based optical HR sensors (e.g., Polar H10, Verity Sense) – known for medical-grade accuracy.
- **Polar Activity Trackers & Sports Watches**: Product lines such as Polar Vantage, Grit X, Ignite, and the newly launched Polar Street X (urban sports watch with GPS, AMOLED, LED flashlight) and Polar Loop (screen-free fitness band).
- **Polar Bike Computers**: Devices like Polar V650 for cycling navigation and performance tracking.
- **Polar Flow**: Free web and mobile app for tracking training, activity, sleep, and analyzing progress; integrates seamlessly with Polar devices.
- **Polar Research Center**: Innovation hub conducting R&D in sensor technology, algorithms, physiology, data science, and AI; collaborates with academic and industry partners globally.

## Market Standing
- **Valuation**: Not publicly available (private company)
- **Key Metric**: Over 600 patents registered since 1977; 17,500 studies published in Polar Research Library; millions of active monthly users.
- **Notable Investors/Partners**: Not disclosed (privately held; no recent funding rounds reported)
- **Growth Signals**: Active hiring for Senior AI/ML Engineer positions; headcount of 951 employees with +2.2% monthly growth (as of LinkedIn data); launch of new products (Street X, Loop) and ongoing expansion of data analytics and AI capabilities.

## Competitive Advantages
- **First-mover advantage**: Launched the world’s first wearable heart rate monitor in 1977 and has led the industry for over four decades.
- **Deep scientific foundation**: Extensive in-house research library with thousands of peer-reviewed studies, giving credibility and precision that competitors struggle to match.
- **Patent moat**: Hundreds of patents protecting sensor technology, algorithms, and guidance systems.
- **Integrated ecosystem**: Hardware + software (Polar Flow) with no hidden fees – free app for all users.

## Strategic Focus
- **AI/ML expansion**: Hiring Senior AI/ML Engineers to build production-grade machine learning systems for advanced analytics, time-series sensor data, and on-device intelligence (e.g., TensorFlow Lite, ONNX Runtime).
- **Wearable innovation**: Continuing to push boundaries in urban sports, screen-free fitness, and health monitoring.
- **Personalization**: Leveraging self-supervised learning, transformers, and generative AI to deliver deeper insights and guidance to users.

## Why Work Here
- **Impactful mission**: Directly improve the health and fitness of millions of users worldwide with scientifically backed technology.
- **Multidisciplinary culture**: Work alongside experts in sensor tech, AI, physiology, exercise science, firmware, and mobile – strong R&D focus with a dedicated Polar Research Center.
- **Work environment**: Offices in Finland (Kempele, Helsinki, Jyväskylä, Tampere). Preferred HQ location is Kempele; other locations negotiable. Remote/hybrid options not stated explicitly but likely flexible within Finland.
- **Unique perks**: Opportunity to work on on-device ML, embedded systems, and cutting-edge wearables; strong team spirit with a global company that has the agility of a private firm.
- **Growth opportunity**: Active job postings indicate investment in AI/ML and data analytics teams, offering career development in a maturing tech stack.

## Sources
1. [polar.com – About Us](https://www.polar.com/us-en/about_polar/who_we_are)
2. [polar.com – Careers (Senior AI/ML Engineer posting)](https://www.polar.com/us-en/careers/)
3. [LinkedIn – Polar Global Company Page](https://linkedin.com/company/polar-global)
4. [polar.com – Products](https://www.polar.com/us-en)
5. [polar.com – Jobs](https://www.polar.com/en/careers)

## Other roles at Polar

- [Senior Product Engineer (Europe)](https://feeny.ai/job/senior-product-engineer-europe-polar-europe-h66y3mqrbhkd) — Europe
- [Staff Product Engineer (Europe)](https://feeny.ai/job/staff-product-engineer-europe-polar-europe-f0t03maf7c7g) — Europe
- [Support Engineer (Europe)](https://feeny.ai/job/support-engineer-europe-polar-europe-dc6fm5adqt0h) — Europe
- [Staff Frontend Engineer (Europe)](https://feeny.ai/job/staff-frontend-engineer-europe-polar-europe-q7z4mnftwcxq) — Europe